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Finding the Fourth Proportional to 624,464.70, 937,134.45 and 400,370.10

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Solution

The fourth proportional to 624,464.70, 937,134.45 and 400,370.10 is: 600,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,464.70 : 937,134.45 = 400,370.10 : x
  2. Step 2: Convert to fraction form
    624,464.70/937,134.45 = 400,370.10/x
  3. Step 3: Cross multiply
    624,464.70x = 937,134.45 × 400,370.10
  4. Step 4: Simplify right side
    624,464.70x = 375,200,613,459.95
  5. Step 5: Solve for x
    x = 375,200,613,459.95/624,464.70
  6. Step 6: Final answer
    x = 600,835.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.